Warning Buzzers - Chevrolet 4500HD Series 2019 Manual

Hour Meter
HOUR METER
This message and light indicate how
many hours the engine has been
run. The figure(s) on the left side of
the decimal point indicate hours
while the figure on the right side
indicates 1/10 of an hour.

Warning Buzzers

A warning buzzer may not sound if
there is a problem with the buzzer
system. If this occurs, the system
needs to be inspected. See your
dealer.
A warning buzzer sounds under the
following conditions:
Driver seat belt not buckled
continuous beep. See Seat Belt
Reminders 0 72.
Brake booster continuous
beep. See Brake System
Warning Light (Parking Brake
Light) 0 74.
Engine overheat
continuous beep
Low engine coolant
Engine alarm and automatic
shutdown beep
Diesel particulate filter (DPF)
switch regeneration
short beeps or three long beeps
Selective catalytic reduction
(SCR) system one short
beep, three short beeps, nine
quick beeps, continuous beep
See Diesel Exhaust Fluid 0 189 and
Engine Alarm and Automatic
Shutdown 0 173.
Instruments and Controls
beep
three
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